Disconnect the negative battery cable. Wait at least 90 seconds before performing any other work.

Remove air cleaner inlet No. 1.

Drain engine coolant.

Remove the V-bank cover.

Remove the intake air connector pipe.

Remove the engine under cover No. 1.

Disconnect radiator hose No. 1.

Disconnect radiator hose No. 2.

Disconnect oil cooler inlet tube No. 1.

Disconnect oil cooler outlet tube No. 1.

Remove the air cleaner assembly.

Remove the radiator assembly.

Remove the accessory drive belt

Remove the 2 bolts, nut and vane pump assembly. Pump should be removed with the hoses connected and then hang with a rope or wire on the body-s side.

Remove the alternator.

Remove the A/C compressor assembly. The cooler compressor with the magnetic clutch should be removed with the low-pressure and high-pressure hoses connected and then hang with a rope or wire on the body-s side.

Fig. Removal of timing belt cover No. 2.-4.3L (3UZ-FE) engine

Disconnect the 2 PS air hoses from the clamp on the timing belt cover No. 2.

Install the idler pulley assembly with the 2 bolts and 2 nuts. Tighten the bolts and nuts as follows:

14mm head bolt A: 24 ft. lbs. (32 Nm)

12mm head bolt B: 12 ft. lbs. (16 Nm)

Each bolt length is indicated below. Bolt Length:

4.49 inches (114mm) for 14mm head (A)

4.17 inches (106mm) for 12mm head (B)

Install the drive belt tensioner with the bolt and 2 nuts. Tighten the bolt and nuts to 12 ft. lbs. (16 Nm). Use a bolt that is 4.18 inches (106mm) in length.

Fit the timing belt cover sub-assembly No. 2, matching the claws and pin with each part. Install the timing belt cover with the 2 bolts and tighten to 12 ft. lbs. (16 Nm). Use bolts that are 4.17 inches (106mm) in length.

Install the left timing belt cover sub-assembly No. 3 as follows:

Install the gasket to the cover.

Run the camshaft position sensor wire through the cover hole.

Install the cover with the 4 bolts and tighten to 66 inch lbs. (7.5 Nm).

Install the wire grommet to the cover.

Install the sensor connector to the sensor holder.

Connect the sensor connector.

Install the sensor wire to the wire clamp on the cover.

Install the engine wire to the 2 wire clamps on the cover.

Connect the 2 water by-pass hoses, as shown in the illustration.

Install the No. 3 water by-pass pipe to the cover with the cap nut and tighten to 66 inch lbs. (7.5 Nm).